DE912335C - Procedure for commissioning steam generators - Google Patents
Procedure for commissioning steam generatorsInfo
- Publication number
- DE912335C DE912335C DED9582A DED0009582A DE912335C DE 912335 C DE912335 C DE 912335C DE D9582 A DED9582 A DE D9582A DE D0009582 A DED0009582 A DE D0009582A DE 912335 C DE912335 C DE 912335C
- Authority
- DE
- Germany
- Prior art keywords
- steam
- external
- boiler
- superheater
- steam generators
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22G—SUPERHEATING OF STEAM
- F22G3/00—Steam superheaters characterised by constructional features; Details of component parts thereof
- F22G3/008—Protection of superheater elements, e.g. cooling superheater tubes during starting-up periods, water tube screens
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Description
Verfahren zur Inbetriebnahme von Dampferzeugern Die Erfindung betrifft ein Verfahren zur Inbetriebnahme von Dampferzeugern, bei dem während des Anheizvorganges Fremddampf in den Kessel und aus diesem durch den Überhitzer in solcher Menge geleitet wird, daß die zulässige Dampftemperatur nicht überschritten wird, und besteht in der Anwendung dieser Maßnahme auf mit Zwangdurchlauf betriebene Dampferzeuger, indem der Fremddampf dem Zwangdurchlaufsystem an einer Sammel- oder Mischstelle zugeführt wird, welche im Durchfluß vor dem im Regelbetrieb als Überhitzer wirkenden Heizflächenteil liegt.Method for starting up steam generators The invention relates to a procedure for the commissioning of steam generators, in which during the heating-up process External steam is passed into the boiler and from there through the superheater in such an amount is that the permissible steam temperature is not exceeded, and consists in applying this measure to forced circulation steam generators by the external steam is fed to the once-through system at a collection or mixing point which is in the flow before the heating surface part acting as a superheater in normal operation lies.
Während beim Dampferzeuger mit unveränderlicher Überhitzerheizfläche das Durchleiten von Fremddampf durch den überhitzer die Schwierigkeiten beim Anheizen behebt und ein schnelles Hochfahren ermöglicht, ist beim Durchflußkessel bisher beim Anheizen so viel Wasser durch den Kessel gespeist worden, daß erst allmählich Verdampfung und dann Überhitzung erreicht wurde. Es wurde also mit Hilfe der Wassermenge die Überhitzerheizfläche verändert. Diese Art des Anheizens bedingt einen großen Wasserverbrauch und verzögert die Zeit bis zum Erreichen von Druck und Temperatur. Durch die Anwendung der Erfindungsmaßnahme wird es dagegen möglich, den Kessel mit voller Feuerleistung anzufahren und ohne Entwässern beizuschalten. Diese Maßnahme bewährt sich besonders bei kurzzeitigen Betriebspausen, bei denen ohne sie das Anfahren viel umständlicher wäre.While with the steam generator with unchangeable superheater heating surface the passage of external steam through the superheater eliminates the difficulties in heating up fixes and enables a quick start-up, is so far with the flow-through boiler so much water was fed through the boiler when it was heated up that only gradually Evaporation and then superheating has been achieved. So it was with the help of the amount of water the superheater heating surface changes. This type of heating requires a large one Water consumption and delays the time to reach pressure and temperature. By applying the inventive measure, however, it is possible to use the boiler to start up with full combustion output and switch on without draining. This measure It is particularly useful for short breaks in operation when starting up without it would be much more cumbersome.
Wenn der Fremddampf an einer Misch- oder Sammelstelle, an der sich die parallel geschalteten Rohre des Heizflächensystems vereinigen, zugeführt wird, besteht keine Gefahr für die gleichmäßige Verteilung. Er kann daher bereits in den Eintrittssammler des Kessels eingeführt werden.If the external steam is at a mixing or collecting point where unite the parallel-connected pipes of the heating surface system, are fed, there is no danger to the uniform Distribution. He can therefore already introduced into the inlet header of the boiler.
Werden die Dampferzeuger mit Gleitdruck betrieben. so muß die Dampfabgabe des den Fremddampf liefernden Kessels gedrosselt werden, damit er genügend Überdruck hat.Are the steam generators operated with sliding pressure? so must the steam delivery of the boiler supplying the external steam must be throttled so that there is sufficient overpressure Has.
Um jede Gefahr einer Strömungsstörung zu vermeiden, kann der Fremddampf im überkritischen Zustand, d. h. mit überkritischem Druck zugeführt werden. .In order to avoid any risk of flow disturbance, the external steam in the supercritical state, d. H. are supplied with supercritical pressure. .
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DED9582A DE912335C (en) | 1951-06-17 | 1951-06-17 | Procedure for commissioning steam generators |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DED9582A DE912335C (en) | 1951-06-17 | 1951-06-17 | Procedure for commissioning steam generators |
Publications (1)
Publication Number | Publication Date |
---|---|
DE912335C true DE912335C (en) | 1954-05-28 |
Family
ID=7032885
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DED9582A Expired DE912335C (en) | 1951-06-17 | 1951-06-17 | Procedure for commissioning steam generators |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE912335C (en) |
-
1951
- 1951-06-17 DE DED9582A patent/DE912335C/en not_active Expired
Non-Patent Citations (1)
Title |
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None * |
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